However, the DNA that makes up chromosomes becomes more tightly packed during cell division and is then visible under a microscope. Most of what researchers know about chromosomes was learned by observing chromosomes during cell division.
To obtain experience, you can volunteer or work as a wildlife biologist for a state or federal agency such as the U.S. Fish and Wildlife Service or National Park Service. Another way to meet the experience requirement is to complete either a master's or Ph.D. degree program in wildlife biology or a related subject. A master's degree counts for one year of experience, a Ph.D. counts for two years, and a person who holds both degrees is granted the equivalent of three years of experience.
Biologists must have a 4-year undergraduate degree, such as a Bachelor of Science in Biology, for entry-level research positions. A few classes you may take are microbiology, anthropology, biochemistry and molecular biology.iologists, or biological scientists, work with and research living organisms. As a biologist, you'll use your knowledge and research of living organisms to try to find out what they're composed of and their relationship to what's around them.